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alpha-Naphtholbenzein, Thermo Scientific Chemicals
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Quantity:
5 g
25 g
100 g
Description
α-Naphtholbenzein is used as a pH indicator. (pH 0.0-0.8/ pH 8.2-10.0).
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
α-Naphtholbenzein is used as a pH indicator. (pH 0.0-0.8/ pH 8.2-10.0).
Solubility
Soluble in ethanol, acetic acid and acetone. Insoluble in water.
Notes
Incompatible with strong oxidizing agents, acids, water reactive substances, azo, diazo, hydrazines, metals, nitrides, peroxides, hydroperoxides, epoxides and reducing agents.
α-Naphtholbenzein is used as a pH indicator. (pH 0.0-0.8/ pH 8.2-10.0).
Solubility
Soluble in ethanol, acetic acid and acetone. Insoluble in water.
Notes
Incompatible with strong oxidizing agents, acids, water reactive substances, azo, diazo, hydrazines, metals, nitrides, peroxides, hydroperoxides, epoxides and reducing agents.
Specifications
Specifications
| Melting Point | ∼225°C (decomposition) |
| Quantity | 25 g |
| Beilstein | 3471575 |
| Synonym | p-naphtholbenzein, 1-naphtholbenzein, alpha-naphtholbenzein, .alpha.-naphtholbenzein, 4-4-hydroxynaphthyl phenylmethylene naphthalen-1-one, naphtholbenzein, 1 4h-naphthalenone, 4-4-hydroxy-1-naphthalenyl phenylmethylene, 1 4h-naphthalenone,4-4-hydroxy-1-naphthalenyl phenylmethylene, 1 4h-naphthalenone, 4-.alpha.-4-hydroxy-1-naphthyl benzylidene |
| Solubility Information | Soluble in ethanol,acetic acid and acetone. Insoluble in water. |
| Formula Weight | 374.44 |
| Chemical Name or Material | alpha-Naphtholbenzein |
Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
5 results found
| Lot Number | Certificate Type | Date | Catalog Number |
|---|---|---|---|
| 10249800 | Certificate of Analysis | 02/04/2024 | A16125.22,A16125.14,A16125.06 |
| 10248281 | Certificate of Analysis | 05/12/2023 | A16125.22,A16125.14,A16125.06 |
| 10246136 | Certificate of Analysis | 09/05/2023 | A16125.14 |
| J8666B | Certificate of Analysis | 23/11/2021 | A16125.22,A16125.14,A16125.06 |
| TYPICAL | Certificate of Analysis | 23/11/2021 | A16125.22,A16125.14,A16125.06 |
Safety and Handling
Product Identifier
- alpha-Naphtholbenzein
- Warning
- Serious eye damage/eye irritation Category 2
- Skin corrosion/irritation Category 2
- Specific target organ toxicity Category 3
- H315-Causes skin irritation.
- H319-Causes serious eye irritation.
- H335-May cause respiratory irritation.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P302+P352-IF ON SKIN: Wash with plenty of water/soap.
- P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P312-Call a POISON CENTER/doctor/if you feel unwell.
- MIXTURE LIST-Contains : alpha-Naphtholbenzein
RUO – Research Use Only
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